MESON Chess Problem Database
Problem Display
PID: 24840 (6B1/1pBpr3/4p2n/P1k3p1/R1P3n1/2R2Q2/K7/8 w - - 0 1)
West, W
The Observer, 1960
#3
8 + 8
SOLUTION
- SOUND
- Sets
- 1...Kd4
- 2.c5#
- 1...Sf2
- 2.Qxf2+
- 2...Kc6
- 3.Qb6#
- 2...Kc6
- 2.Qe3+
- 2...Kc6
- 3.Qb6#
- 2...Kc6
- 2.Qxf2+
- 1...Sh2
- 2.Qf2+
- 2...Kc6
- 3.Qb6#
- 2...Kc6
- 2.Qe3+
- 2...Kc6
- 3.Qb6#
- 2...Kc6
- 2.Qf2+
- 1...Se3
- 2.Qxe3+
- 2...Kc6
- 3.Qb6#
- 2...Kc6
- 2.Qxe3+
- 1...Se5
- 2.Bb6+
- 2...Kd6
- 3.c5#
- 2...Kd6
- 2.Qf2+
- 2...Kc6
- 3.Qb6#
- 2...Kc6
- 2.Qe3+
- 2...Kc6
- 3.Qb6#
- 2...Kc6
- 2.Bb6+
- 1...Sf6
- 2.Qf2+
- 2...Kc6
- 3.Qb6#
- 2...Kc6
- 2.Qe3+
- 2...Kc6
- 3.Qb6#
- 2...Kc6
- 2.Qf2+
- 1...Sxg8
- 2.Qd3
- threat
- 3.Qd6#
- 2...Kc6
- 3.Qd6#
- 2...d5
- 3.cxd5#
- 2...d6
- 3.Qxd6#
- threat
- 2.Qd3
- 1...e5
- 2.Qd5#
- 1...b5
- 2.Qd5+
- 2...exd5
- 3.cxd5#
- 2...exd5
- 2.Qd5+
- 1...d6
- 2.Bb6#
- 1...Kd4
- Tries
- 1.Bd6+?
- 1...Kd4
- 2.Rd3#
- 2.Qd3#
- 2.c5#
- 1...Kxd6!
- 1...Kd4
- 1.Bxe6?
- threat
- 2.Qd5#
- 1...Se3
- 2.Qxe3+
- 2...Kc6
- 3.Qb6#
- 2...Kc6
- 2.Qxe3+
- 1...Sf6
- 2.Qf2+
- 2...Kc6
- 3.Qb6#
- 2...Kc6
- 2.Qe3+
- 2...Kc6
- 3.Qb6#
- 2...Kc6
- 2.Qf2+
- 1...dxe6!
- threat
- 1.Rc1?
- threat
- 2.Qb3
- threat
- 3.Qb6#
- 2...Kd4
- 3.c5#
- 2...Kc6
- 3.Qb6#
- 2...b5
- 3.cxb5#
- 2...b6
- 3.Qxb6#
- threat
- 2.Qb3
- 1...d5
- 2.Qa3+
- 2...Kd4
- 3.c5#
- 2...Kc6
- 3.Qd6#
- 2...Kd4
- 2.Qa3+
- 1...Se3
- 2.Qxe3+
- 2...Kc6
- 3.Qb6#
- 2...Kc6
- 2.Qxe3+
- 1...Se5
- 2.Bb6+
- 2...Kd6
- 3.c5#
- 2...Kd6
- 2.Qf2+
- 2...Kc6
- 3.Qb6#
- 2...Kc6
- 2.Qe3+
- 2...Kc6
- 3.Qb6#
- 2...Kc6
- 2.Bb6+
- 1...Sf6
- 2.Qf2+
- 2...Kc6
- 3.Qb6#
- 2...Kc6
- 2.Qb3
- threat
- 3.Qb6#
- 2...Kd4
- 3.c5#
- 2...Kc6
- 3.Qb6#
- 2...Sd5
- 3.cxd5#
- 2...b5
- 3.cxb5#
- 2...b6
- 3.Qxb6#
- threat
- 2.Qe3+
- 2...Kc6
- 3.Qb6#
- 2...Kc6
- 2.Qf2+
- 1...b5
- 2.Qd5+
- 2...exd5
- 3.cxd5#
- 2...exd5
- 2.Qd5+
- 1...b6
- 2.Qb3
- threat
- 3.Qxb6#
- 2...Kd4
- 3.c5#
- 2...Kc6
- 3.Qxb6#
- 2...bxa5
- 3.Qb6#
- 2...b5
- 3.cxb5#
- threat
- 2.Qb3
- 1...Rf7!
- threat
- 1.Rb3?
- threat
- 2.Rb5+
- 2...Kd4
- 3.Bb6#
- 3.c5#
- 2...Kd4
- 2.Rb5+
- 1...Kd4
- 2.Bd6
- threat
- 3.Rd3#
- 3.Qd3#
- 3.c5#
- 2...Se3
- 3.Qxe3#
- 2...Se5
- 3.Qe3#
- threat
- 2.Rd3+
- 2...Kc5
- 3.Bb6#
- 3.Bd6#
- 2...Kc5
- 2.Qd1+
- 2...Ke4
- 3.Qd3#
- 2...Kc5
- 3.Qd6#
- 2...Ke4
- 2.Qd3+
- 2...Kc5
- 3.Qd6#
- 2...Kc5
- 2.Bd6
- 1...Sf2
- 2.Rb5+
- 2...Kd4
- 3.Be5#
- 3.Bb6#
- 3.c5#
- 2...Kd4
- 2.Qxf2+
- 2...Kc6
- 3.Qb6#
- 2...Kc6
- 2.Qe3+
- 2...Kc6
- 3.Qb6#
- 2...Kc6
- 2.Rb5+
- 1...Sh2
- 2.Rb5+
- 2...Kd4
- 3.Be5#
- 3.Bb6#
- 3.c5#
- 2...Kd4
- 2.Qf2+
- 2...Kc6
- 3.Qb6#
- 2...Kc6
- 2.Qe3+
- 2...Kc6
- 3.Qb6#
- 2...Kc6
- 2.Rb5+
- 1...Se3
- 2.Qxe3+
- 2...Kc6
- 3.Qb6#
- 2...Kc6
- 2.Qxe3+
- 1...Se5
- 2.Bb6+
- 2...Kd6
- 3.c5#
- 2...Kd6
- 2.Rb5+
- 2...Kd4
- 3.Bxe5#
- 3.Bb6#
- 2...Kd4
- 2.Qf2+
- 2...Kc6
- 3.Qb6#
- 2...Kc6
- 2.Qe3+
- 2...Kc6
- 3.Qb6#
- 2...Kc6
- 2.Bb6+
- 1...Sf6
- 2.Rb5+
- 2...Kd4
- 3.Be5#
- 3.Bb6#
- 3.c5#
- 2...Kd4
- 2.Qf2+
- 2...Kc6
- 3.Qb6#
- 2...Kc6
- 2.Qe3+
- 2...Kc6
- 3.Qb6#
- 2...Kc6
- 2.Rb5+
- 1...b5
- 2.Rxb5+
- 2...Kd4
- 3.Bb6#
- 3.c5#
- 2...Kd4
- 2.Rxb5+
- 1...b6
- 2.Rb5+
- 2...Kd4
- 3.Bxb6#
- 3.c5#
- 2...Kd4
- 2.Rb5+
- 1...d5!
- threat
- 1.Rd3?
- threat
- 2.Bb6#
- 2.Bd6#
- 1...Sf5
- 2.Bb6#
- 1...Sf7
- 2.Bb6#
- 1...b6
- 2.Bxb6#
- 2.Bd6#
- 1...d6
- 2.Bb6#
- 2.Bxd6#
- 1...d5!
- threat
- 1.Qd1?
- threat
- 2.Qd6#
- 1...Sf5
- 2.Qb3
- threat
- 3.Qb6#
- 2...Kd4
- 3.c5#
- 2...Kc6
- 3.Qb6#
- 2...b5
- 3.cxb5#
- 2...b6
- 3.Qxb6#
- threat
- 2.Qb3
- 1...Sf7
- 2.Qb3
- threat
- 3.Qb6#
- 2...Kd4
- 3.c5#
- 2...Kc6
- 3.Qb6#
- 2...b5
- 3.cxb5#
- 2...b6
- 3.Qxb6#
- threat
- 2.Qb3
- 1...d5!
- threat
- 1.Qf2+?
- 1...Se3
- 2.Qxe3+
- 2...Kc6
- 3.Qb6#
- 2...Kc6
- 2.Qxe3+
- 1...Sxf2!
- 1...Se3
- 1.Qd3?
- threat
- 2.Qd6#
- 1...Sf7
- 2.Bxf7
- threat
- 3.Qd6#
- 2...Kc6
- 3.Qd6#
- 2...d5
- 3.cxd5#
- 2...d6
- 3.Qxd6#
- threat
- 2.Bxf7
- 1...Sf5!
- threat
- 1.Qe3+?
- 1...Kc6
- 2.Qb6#
- 1...Sxe3!
- 1...Kc6
- 1.Qg3?
- threat
- 2.Qd6#
- 1...Kd4
- 2.Bd6
- threat
- 3.Qd3#
- 2...Ke4
- 3.Qd3#
- 2...Se3
- 3.Qe5#
- 3.Qxe3#
- 2...Sf2
- 3.Qe5#
- 3.Qe3#
- 2...Se5
- 3.Qxe5#
- 3.Qe3#
- threat
- 2.Rd3+
- 2...Ke4
- 3.Qf3#
- 2...Kc5
- 3.Qd6#
- 2...Ke4
- 2.Qd3+
- 2...Kc5
- 3.Qd6#
- 2...Kc5
- 2.c5+
- 2...Kd5
- 3.Qd6#
- 3.Qg2#
- 3.Qf3#
- 2...Kd5
- 2.Bd6
- 1...Se5
- 2.Qf2+
- 2...Kc6
- 3.Qb6#
- 2...Kc6
- 2.Qg1+
- 2...Kc6
- 3.Qb6#
- 2...Kc6
- 2.Qe3+
- 2...Kc6
- 3.Qb6#
- 2...Kc6
- 2.Qf2+
- 1...Sf5
- 2.Bb6+
- 2...Kc6
- 3.Qc7#
- 2...Kc6
- 2.Bb6+
- 1...Sf7
- 2.Bb6+
- 2...Kc6
- 3.Qc7#
- 2...Kc6
- 2.Bb6+
- 1...e5
- 2.Qd3
- threat
- 3.Qd5#
- 3.Qd6#
- 2...Kc6
- 3.Qd6#
- 2...d5
- 3.Qxd5#
- 3.cxd5#
- threat
- 2.Qd3
- 1...d5!
- threat
- 1.Qf4?
- threat
- 2.Qd6#
- 1...Se5
- 2.Qe3+
- 2...Kc6
- 3.Qb6#
- 2...Kc6
- 2.Qf2+
- 2...Kc6
- 3.Qb6#
- 2...Kc6
- 2.Qe3+
- 1...Sf5
- 2.Bb6+
- 2...Kc6
- 3.Qc7#
- 2...Kc6
- 2.Bb6+
- 1...Sf7
- 2.Bb6+
- 2...Kc6
- 3.Qc7#
- 2...Kc6
- 2.Bb6+
- 1...e5
- 2.Qd2
- threat
- 3.Qd5#
- 3.Qd6#
- 2...Kc6
- 3.Qd6#
- 2...d5
- 3.Qxd5#
- threat
- 2.Qd2
- 1...d5
- 2.cxd5+
- 2...Kb5
- 3.Qc4#
- 2...Kxd5
- 3.Rd4#
- 3.Qd2#
- 3.Qd6#
- 3.Qf3#
- 3.Qc4#
- 3.Qd4#
- 3.Qe4#
- 2...Kb5
- 2.cxd5+
- 1...gxf4!
- threat
- 1.Bd6+?
- Keys
- 1.Rc2!
- threat
- 2.Qb3
- threat
- 3.Qb6#
- 2...Kd4
- 3.c5#
- 2...Kc6
- 3.Qb6#
- 2...b5
- 3.cxb5#
- 2...b6
- 3.Qxb6#
- threat
- 2.Qb3
- 1...d5
- 2.Qa3+
- 2...Kd4
- 3.c5#
- 2...Kc6
- 3.Qd6#
- 2...Kd4
- 2.Qa3+
- 1...Se3
- 2.Qxe3+
- 2...Kc6
- 3.Qb6#
- 2...Kc6
- 2.Qxe3+
- 1...Se5
- 2.Bb6+
- 2...Kd6
- 3.c5#
- 2...Kd6
- 2.Qf2+
- 2...Kc6
- 3.Qb6#
- 2...Kc6
- 2.Qe3+
- 2...Kc6
- 3.Qb6#
- 2...Kc6
- 2.Bb6+
- 1...Sf6
- 2.Qf2+
- 2...Kc6
- 3.Qb6#
- 2...Kc6
- 2.Qb3
- threat
- 3.Qb6#
- 2...Kd4
- 3.c5#
- 2...Kc6
- 3.Qb6#
- 2...Sd5
- 3.cxd5#
- 2...b5
- 3.cxb5#
- 2...b6
- 3.Qxb6#
- threat
- 2.Qe3+
- 2...Kc6
- 3.Qb6#
- 2...Kc6
- 2.Qf2+
- 1...b5
- 2.Qd5+
- 2...exd5
- 3.cxd5#
- 2...exd5
- 2.Qd5+
- 1...b6
- 2.Qb3
- threat
- 3.Qxb6#
- 2...Kd4
- 3.c5#
- 2...Kc6
- 3.Qxb6#
- 2...bxa5
- 3.Qb6#
- 2...b5
- 3.cxb5#
- threat
- 2.Qb3
- threat
- 1.Rc2!
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